Session C3: Fielding Alternative Technologies in GNSS-Denied Environments 1

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Date: Thursday, September 17, 2026
Time: 8:30 a.m. - 12:15 p.m.
Location: Windsong 9-10
In-Person presenters in this session provide pre-recorded presentations for viewing by registered attendees on Wednesday, September 16.

In-Person Presentations These presentations will be given in-person at the conference. Presenters will provide a pre-recorded presentation for on-demand viewing by all registered attendees.
8:35	1D INS/ODO Recursive Navigation Method for Railway Trains in GNSS-Denied Environments Yaopeng Zhang, Wei Jiang, Jian Wang, Baigen Cai, Jiang Liu, Xiaohui Ba, Debiao Lu, State Key Laboratory of Advanced Rail Autonomous Operation and the Beijing Engineering Research Center of EMC and GNSS Technology for Rail Transportation, School of Automation and Intelligence, Beijing Jiaotong University
8:57	Resilient 5G- Based Positioning, Navigation, and Timing Sameet Deshpande, Arun Raghupathy, NextNav Inc.
9:20	Demonstration of a Xona Space Systems Pulsar X1 and X5 Positioning and Timing Receiver Joshua J. Morales, Luis Herrera, Kathryn Hammar, Don-Roberts Emenonye, and Christian T. Ardito, StarNav LLC
9:43	Multi-DME/AHRS Integrated Navigation with EKF-based RAIM to Support RNP Arrivals and Departures in Terminal Airspace Shrivathsan Narayanan, Timothy Geels, Dinesh Kumar Kushwaha, Collins Aerospace; Okuary Osechas, Zurich University of Applied Sciences; Samer Khanafseh, Illinois Institute of Technology
10:05-10:35, Break. Refreshments in Exhibit Hall
10:40	A Normalized Fault-Free Approach for LiDAR/INS Landmark Localization Mihir Nemana, Boris Pervan, Samer Khanafseh, Kana Nagai, and Birendra Kujur, Illinois Institute of Technology
11:03	Applying Conformal Prediction to Uncertainty Quantification of Vision-Based Aircraft Surface Navigation Abhijit Sarkar, Surendrabikram Thapa, Jin Woo Baik, Mathieu Joerger, Virginia Tech; and Jason Rife, Tufts University
11:26	Empirical Vision Measurement Error Modeling for High-Integrity Centerline Tracking in UAS Surface Navigation Nogib Anwar Zafi, Virginia Tech; Abhijit Sarkar, Virginia Tech Transportation Institute; and Mathieu Joerger, Virginia Tech
11:48	Design and Experimental Evaluation of a Multi-Radar/Inertial Integrated Navigation System Semih Karadogan, Garrett Mongold, Shizhuang Wang, and Mathieu Joerger, Virginia Tech
Alternate Presentations Alternate presentations may be given in-person at the conference if other authors are unable to present. Alternate Presenters will provide a pre-recorded presentation for on-demand viewing by all registered attendees.
1.	LEO PNT-Based, GNSS-Independent Timing Synchronization for Telecom Networks Charlie Meyer, Iridium
2.	SAF2NAV: Agnostic Multi-Sensor Fusion Framework for GNSS Denied Navigation Pierre Bénet, Mourad Saidani, Kaoutar Benmakhlouf, Bastien Doré, Alexis Guinamard, SBG Systems
3.	Spatiotemporal Alignment of a Gimbal Stabilized Visual-Inertial System with an Interface Messaging Architecture Huseyin Duran, Halil Ozan Unsal, Derya Unsal Ozturk, Roketsan Inc.

On-Demand Presentation Pre-recorded presentations will become available for viewing by registered attendees on Wednesday, September 16.
	Evaluation of Simulated GNSS Plus Pseudolite Positioning with a Programmable GNSS-RF-Simulator Mathias Phillip Blum, Muhammad S. Hameed, Thomas Pany, University of the Bundeswehr Munich

12:15 p.m. - 1:15 p.m., Buffet Lunch in Exhibit Hall • 1:15 p.m. - 1:45 p.m., Free Time in Exhibit Hall

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